Vocabulary
The experimental group receives the independent variable, the control group does NOT receive the independent variable.
If you wear night vision goggles when driving, then you will have fewer accidents
Night vision goggles
If the feeder is red, more birds will come to the feeder
The number of birds to the feeder
A temporary beneficial effect because of a patient's belief in treatment
The Placebo effect
The variable on the x-axis
Constants
All the variables that can effect the outcome of an experiment that are kept the SAME between groups.
If you finish your review guide, then you will do better on your test
Finishing the review guide
What type of running shoes will help a runner be faster?
Speed of runner
Botanists Study
What are Plants?
Format for the title of a graph
Dependent Variable vs. Independent Variable
Hypothesis
The answer to a question that can be tested.
Mrs. Neal wants to know the best way to remove chocolate stains from her husband's clothing.
Different types of stain removers
If you wear a red bathing suit, you are more likely to be attacked by a bear.
Bear attacks
The suffix -ologist refers to
A person who studies
Type of graph for continuous data
A line graph
Accuracy vs Precision
Accuracy is how close you are to the target, while precision is how close your data is to each other
What is the best type of insulation to keep you warm in the winter?
Types of insulation
Mr. Neal wants to know the best earplugs to wear to protect his hearing.
Level of noise entering the ear
What type of data is observational and expressed as statements rather than numerical values
Qualitative Data
Type of data for distinct categories
A Bar Graph
Direct Relationship
Both variables (independent and dependent) increase or decrease together.
Will plants grow better by singing to them?
Mr. Knudtson wants to know if detentions are a deterrent for being late.
Being late
What group does not receive the independent variable?
The Control Group
Four reasons for errors in scientific data
1) Environmental Error
2) Researcher Error
3) Subject/or sample error
4) Equipment error